US20140060894A1 - Clip assembly and heat dissipation device incorporating the same - Google Patents
Clip assembly and heat dissipation device incorporating the same Download PDFInfo
- Publication number
- US20140060894A1 US20140060894A1 US13/726,544 US201213726544A US2014060894A1 US 20140060894 A1 US20140060894 A1 US 20140060894A1 US 201213726544 A US201213726544 A US 201213726544A US 2014060894 A1 US2014060894 A1 US 2014060894A1
- Authority
- US
- United States
- Prior art keywords
- engaging
- section
- clip
- heat dissipation
- dissipation device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/20—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening
- F16B2/22—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening of resilient material, e.g. rubbery material
- F16B2/24—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening of resilient material, e.g. rubbery material of metal
- F16B2/248—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening of resilient material, e.g. rubbery material of metal of wire
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10393—Clamping a component by an element or a set of elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10409—Screws
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/44—Clasp, clip, support-clamp, or required component thereof
- Y10T24/44034—Dissociable gripping members
- Y10T24/44043—Channel and inserted bar
- Y10T24/4406—Resilient channel or bar
Definitions
- the present disclosure relates to heat dissipation apparatuses, and more particular to a clip assembly and a heat dissipation device incorporating the clip assembly.
- the heat dissipation device includes a heat sink and a clip assembly.
- the clip assembly facilitates close attachment of the heat sink onto an electronic device, so that the heat sink can efficiently dissipate heat generated by the electronic device.
- the clip assembly usually has a wire clip, which is integrally made of a resilient metal wire. The clip abuts against the heat sink, with two ends of the clip locked on a printed circuit board on which the electronic device is mounted, thereby providing pressure for securing the heat sink on the electronic device.
- the amount of pressure directly exerted downwardly against the heat sink by the clip is difficult to control.
- the fastening force is too small, the heat-dissipation efficiency is usually low because of loose attachment of the heat sink onto the electronic device. Conversely, when the fastening force is too large, it may damage the electronic device.
- FIG. 1 is an isometric, exploded view of a heat dissipation device according to an exemplary embodiment of the present disclosure.
- FIG. 2 is an assembled view of the heat dissipation device of FIG. 1 .
- FIG. 3 is a schematic, side view of the heat dissipation device of FIG. 2 mounted on a printed circuit board.
- a heat dissipation device is used to thermally contact an electronic component 40 which is mounted on a printed circuit board 50 .
- the heat dissipation device comprises a heat sink 20 , and a clip assembly 100 securing the heat sink 20 to the printed circuit board 50 .
- the clip assembly 100 comprises at least a wire clip 10 and at least a fastener 30 engaging with the wire clip 10 .
- Each wire clip 10 is integrally made of a single monolithic piece of resilient metal wire.
- the wire clip 10 comprises two opposite engaging arms 14 , and an engaging section 13 interconnecting the two engaging arms 14 .
- Each engaging arm 14 comprises a connecting section 11 extending perpendicularly from the engaging section 13 , and a hook 12 bent outwardly from a free end of the connecting section 11 .
- the engaging section 13 is curved and defines a through opening 130 . In the illustrated embodiment, the engaging section 13 is U-shaped and defines the through opening 130 in the hollow of the U-shape.
- the connecting section 11 comprises a first portion 111 extending outwardly from the engaging section 13 , and a second portion 112 bent from the first portion 111 .
- the first portion 111 of the connecting section 11 of each engaging arm 14 is coplanar with the engaging section 13 .
- the hook 12 of each engaging arm 16 is perpendicularly bent from a free end of the second portion 112 of the connecting section 11 , and the hook 12 is coplanar with the second portion 112 .
- the first portion 111 is inclined upwardly relative to the second portion 112 of the connecting section 11 of each engaging arm 14 .
- the two hooks 12 of the two engaging arms 14 of each wire clip 10 extend away from each other in substantially opposite directions.
- the heat sink 20 is integrally made of a material having a good heat conductivity coefficient, such as copper, aluminum, or an alloy thereof.
- the heat sink 20 comprises a base plate 22 and a plurality of fins 25 protruded upwardly from a top face of the base plate 21 .
- the base plate 22 is a rectangular plate with a uniform thickness. A center of a bottom of the base plate 22 is thermally attached on the electronic component 40 .
- Each fin 25 is an elongated strip and perpendicular to the top face of the base plate 22 .
- the fins 25 are spaced from and parallel to each other.
- the base plate 22 transfers heat to the fins 25 , and the fins 25 dissipate the heat by natural air convection and thermal radiation.
- the plurality of fins 25 define a receiving groove 23 at a center thereof, and two parallel receiving slots 24 at two sides thereof, for accommodating the wire clips 10 of the clip assembly 100 .
- the receiving groove 23 can be considered to extend in a transverse direction through the plurality of fins 25 .
- Each receiving slot 24 can be considered to extend lengthways through the plurality of fins 25 . That is, the direction that each receiving groove 23 extends along is perpendicular to the direction that the receiving slot 24 extends along.
- a central part of a top face of the base plate 22 is exposed by the receiving groove 23 .
- the second portions 112 of the connecting sections 11 of each wire clip 10 are located in the receiving groove 23 , and abut against the top face of the base plate 22 .
- the two hooks 12 of each wire clip 10 are respectively inserted into and hooked in a corresponding one of the receiving slots 24 .
- the engaging sections 13 of the two wire clips 10 are located at two opposite lateral (long) sides of the heat sink 20 .
- Each of the fasteners 30 comprises a cap-shaped head 31 , a cylindrical post 32 extending coaxially downwardly from a bottom of the head 31 , and an annular protrusion (ring) 33 protruding outwardly from an outer circumference of the post 32 .
- a crisscross groove 310 is defined in a top face of the head 31 , and is adapted for facilitating a tool to operate the fastener 30 .
- An outer periphery of a bottom end of the post 32 is threaded for screwing into the printed circuit board 50 .
- a diameter of the post 32 is smaller than that of the head 31 .
- the protrusion 33 is spaced from the head 31 and located at about a middle of the post 32 .
- each fastener 30 extends through the through opening 130 of the engaging section 13 of the corresponding wire clip 10 , the post 32 of the fastener 30 is encircled by the engaging section 13 , and the engaging section 13 is sandwiched between the head 31 and the annular protrusion 33 of the fastener 30 .
- a downward pressure is exerted on the fastener 30 by, e.g., a human operator, to make the post 32 extend towards the printed circuit board 50 , and then the post 32 is screwed into the printed circuit board 50 .
- the engaging section 13 is pressed downwardly by the head 31 of the fastener 30 , and correspondingly the first portions 111 of the connecting sections 11 are resiliently deformed downwardly.
- the hooks 12 of the wire clip 10 are snugly hooked in the corresponding receiving slot 24 .
- a resilient deformation of the wire clip 10 causes the second portions 112 of the wire clip 10 to press the base plate 22 of the heat sink 20 downwardly. Thereby, the heat sink 20 and the printed circuit board 50 are finally secured together by the clip assembly 100 , and the base plate 22 is tightly attached on the electronic component 40 .
- each wire clip 10 is resiliently pressed by the head 31 of the corresponding fastener 30 .
- the more the head 31 of the fastener 30 presses downwardly on the engaging section 13 the more the wire clip 10 resiliently deforms, and the greater the amount of the force exerted on the heat sink 20 .
- an appropriate force exerted by the clip assembly 100 on the heat sink 20 can be easily obtained by controlling the depth that the fasteners 30 are screwed into the printed circuit board 50 .
Abstract
Description
- 1. Technical Field
- The present disclosure relates to heat dissipation apparatuses, and more particular to a clip assembly and a heat dissipation device incorporating the clip assembly.
- 2. Description of Related Art
- With advancements in computer technology, many electronic devices such as central processing units and chips operate at a high speed nowadays. It is well known that the more rapidly the electronic devices operate, the more heat they generate. If the heat is not timely dissipated, the stability of operation of the electronic device may be impacted severely. Generally, in order to ensure that the electronic device runs normally, a heat dissipation device is used to dissipate the heat generated by the electronic device.
- Typically, the heat dissipation device includes a heat sink and a clip assembly. The clip assembly facilitates close attachment of the heat sink onto an electronic device, so that the heat sink can efficiently dissipate heat generated by the electronic device. The clip assembly usually has a wire clip, which is integrally made of a resilient metal wire. The clip abuts against the heat sink, with two ends of the clip locked on a printed circuit board on which the electronic device is mounted, thereby providing pressure for securing the heat sink on the electronic device. However, the amount of pressure directly exerted downwardly against the heat sink by the clip is difficult to control. When the fastening force is too small, the heat-dissipation efficiency is usually low because of loose attachment of the heat sink onto the electronic device. Conversely, when the fastening force is too large, it may damage the electronic device.
- What is needed, therefore, is an improved clip assembly and a heat dissipation device incorporating the clip assembly which can overcome the above described shortcomings
-
FIG. 1 is an isometric, exploded view of a heat dissipation device according to an exemplary embodiment of the present disclosure. -
FIG. 2 is an assembled view of the heat dissipation device ofFIG. 1 . -
FIG. 3 is a schematic, side view of the heat dissipation device ofFIG. 2 mounted on a printed circuit board. - Referring to
FIGS. 1 through 3 , a heat dissipation device according to an exemplary embodiment is used to thermally contact anelectronic component 40 which is mounted on a printedcircuit board 50. The heat dissipation device comprises aheat sink 20, and aclip assembly 100 securing theheat sink 20 to the printedcircuit board 50. - The
clip assembly 100 comprises at least awire clip 10 and at least afastener 30 engaging with thewire clip 10. In the illustrated embodiment, there is a pair ofwire clips 10 correspondingly engaging with a pair offasteners 30, and also with theheat sink 20. - Each
wire clip 10 is integrally made of a single monolithic piece of resilient metal wire. Thewire clip 10 comprises two opposite engagingarms 14, and anengaging section 13 interconnecting the twoengaging arms 14. Eachengaging arm 14 comprises a connectingsection 11 extending perpendicularly from theengaging section 13, and ahook 12 bent outwardly from a free end of the connectingsection 11. Theengaging section 13 is curved and defines a through opening 130. In the illustrated embodiment, theengaging section 13 is U-shaped and defines the through opening 130 in the hollow of the U-shape. The connectingsection 11 comprises afirst portion 111 extending outwardly from theengaging section 13, and a second portion 112 bent from thefirst portion 111. Thefirst portion 111 of the connectingsection 11 of eachengaging arm 14 is coplanar with theengaging section 13. Thehook 12 of each engaging arm 16 is perpendicularly bent from a free end of the second portion 112 of the connectingsection 11, and thehook 12 is coplanar with the second portion 112. Thefirst portion 111 is inclined upwardly relative to the second portion 112 of the connectingsection 11 of eachengaging arm 14. The twohooks 12 of the two engagingarms 14 of eachwire clip 10 extend away from each other in substantially opposite directions. - The
heat sink 20 is integrally made of a material having a good heat conductivity coefficient, such as copper, aluminum, or an alloy thereof. Theheat sink 20 comprises abase plate 22 and a plurality offins 25 protruded upwardly from a top face of the base plate 21. Thebase plate 22 is a rectangular plate with a uniform thickness. A center of a bottom of thebase plate 22 is thermally attached on theelectronic component 40. Eachfin 25 is an elongated strip and perpendicular to the top face of thebase plate 22. Thefins 25 are spaced from and parallel to each other. Thebase plate 22 transfers heat to thefins 25, and thefins 25 dissipate the heat by natural air convection and thermal radiation. - The plurality of
fins 25 define areceiving groove 23 at a center thereof, and twoparallel receiving slots 24 at two sides thereof, for accommodating thewire clips 10 of theclip assembly 100. The receivinggroove 23 can be considered to extend in a transverse direction through the plurality offins 25. Eachreceiving slot 24 can be considered to extend lengthways through the plurality offins 25. That is, the direction that each receivinggroove 23 extends along is perpendicular to the direction that thereceiving slot 24 extends along. A central part of a top face of thebase plate 22 is exposed by thereceiving groove 23. The second portions 112 of the connectingsections 11 of eachwire clip 10 are located in thereceiving groove 23, and abut against the top face of thebase plate 22. The twohooks 12 of eachwire clip 10 are respectively inserted into and hooked in a corresponding one of thereceiving slots 24. In the present embodiment, theengaging sections 13 of the twowire clips 10 are located at two opposite lateral (long) sides of theheat sink 20. - Each of the
fasteners 30 comprises a cap-shaped head 31, acylindrical post 32 extending coaxially downwardly from a bottom of thehead 31, and an annular protrusion (ring) 33 protruding outwardly from an outer circumference of thepost 32. A crisscross groove 310 is defined in a top face of thehead 31, and is adapted for facilitating a tool to operate thefastener 30. An outer periphery of a bottom end of thepost 32 is threaded for screwing into the printedcircuit board 50. A diameter of thepost 32 is smaller than that of thehead 31. Theprotrusion 33 is spaced from thehead 31 and located at about a middle of thepost 32. - In assembly of the heat dissipation device, each
fastener 30 extends through the through opening 130 of theengaging section 13 of thecorresponding wire clip 10, thepost 32 of thefastener 30 is encircled by theengaging section 13, and theengaging section 13 is sandwiched between thehead 31 and theannular protrusion 33 of thefastener 30. A downward pressure is exerted on thefastener 30 by, e.g., a human operator, to make thepost 32 extend towards the printedcircuit board 50, and then thepost 32 is screwed into the printedcircuit board 50. Theengaging section 13 is pressed downwardly by thehead 31 of thefastener 30, and correspondingly thefirst portions 111 of the connectingsections 11 are resiliently deformed downwardly. Thehooks 12 of thewire clip 10 are snugly hooked in thecorresponding receiving slot 24. A resilient deformation of thewire clip 10 causes the second portions 112 of thewire clip 10 to press thebase plate 22 of theheat sink 20 downwardly. Thereby, theheat sink 20 and the printedcircuit board 50 are finally secured together by theclip assembly 100, and thebase plate 22 is tightly attached on theelectronic component 40. - Additionally, the
engaging portion 13 of eachwire clip 10 is resiliently pressed by thehead 31 of thecorresponding fastener 30. The more thehead 31 of thefastener 30 presses downwardly on theengaging section 13, the more thewire clip 10 resiliently deforms, and the greater the amount of the force exerted on theheat sink 20. Thus, an appropriate force exerted by theclip assembly 100 on theheat sink 20 can be easily obtained by controlling the depth that thefasteners 30 are screwed into the printedcircuit board 50. - It is to be further understood that even though numerous characteristics and advantages of the present embodiments have been set forth in the foregoing description, together with details of the structures and functions of the embodiments, the disclosure is illustrative only; and that changes may be made in detail, especially in matters of shape, size, and arrangement of parts within the principles of the disclosure to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210317784.1A CN103687417A (en) | 2012-08-31 | 2012-08-31 | Fastener and heat dissipation device using same |
CN2012103177841 | 2012-08-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20140060894A1 true US20140060894A1 (en) | 2014-03-06 |
Family
ID=50185846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/726,544 Abandoned US20140060894A1 (en) | 2012-08-31 | 2012-12-25 | Clip assembly and heat dissipation device incorporating the same |
Country Status (2)
Country | Link |
---|---|
US (1) | US20140060894A1 (en) |
CN (1) | CN103687417A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210001454A1 (en) * | 2018-05-16 | 2021-01-07 | Enerpac Tool Group Corp. | Clamp arm assembly |
US11118373B2 (en) * | 2016-05-24 | 2021-09-14 | Hampton Steel Limited | Strainer post connector |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2330120A (en) * | 1942-05-09 | 1943-09-21 | Hagelstein William | Spring device |
US2404473A (en) * | 1944-05-23 | 1946-07-23 | Adel Prec Products Corp | Cushioned clip |
US3529796A (en) * | 1967-06-19 | 1970-09-22 | Grant Macdonald | Wire cable holders |
US5917700A (en) * | 1997-09-16 | 1999-06-29 | Lucent Technologies Inc | Heat sink and attachment process for electronic components |
US6496371B2 (en) * | 2001-03-30 | 2002-12-17 | Intel Corporation | Heat sink mounting method and apparatus |
US20060042783A1 (en) * | 2004-09-02 | 2006-03-02 | Inventec Corporation | Heat sink for electronic device |
US7206206B2 (en) * | 2004-06-24 | 2007-04-17 | Inventec Corporation | Radiator structure |
US7321493B2 (en) * | 2004-12-01 | 2008-01-22 | Cisco Technology, Inc. | Techniques for attaching a heatsink to a circuit board using anchors which install from an underside of the circuit board |
US8256499B2 (en) * | 2009-04-08 | 2012-09-04 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Heat dissipation device having fan holder for attachment of a fan |
-
2012
- 2012-08-31 CN CN201210317784.1A patent/CN103687417A/en active Pending
- 2012-12-25 US US13/726,544 patent/US20140060894A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2330120A (en) * | 1942-05-09 | 1943-09-21 | Hagelstein William | Spring device |
US2404473A (en) * | 1944-05-23 | 1946-07-23 | Adel Prec Products Corp | Cushioned clip |
US3529796A (en) * | 1967-06-19 | 1970-09-22 | Grant Macdonald | Wire cable holders |
US5917700A (en) * | 1997-09-16 | 1999-06-29 | Lucent Technologies Inc | Heat sink and attachment process for electronic components |
US6496371B2 (en) * | 2001-03-30 | 2002-12-17 | Intel Corporation | Heat sink mounting method and apparatus |
US7206206B2 (en) * | 2004-06-24 | 2007-04-17 | Inventec Corporation | Radiator structure |
US20060042783A1 (en) * | 2004-09-02 | 2006-03-02 | Inventec Corporation | Heat sink for electronic device |
US7321493B2 (en) * | 2004-12-01 | 2008-01-22 | Cisco Technology, Inc. | Techniques for attaching a heatsink to a circuit board using anchors which install from an underside of the circuit board |
US8256499B2 (en) * | 2009-04-08 | 2012-09-04 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Heat dissipation device having fan holder for attachment of a fan |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11118373B2 (en) * | 2016-05-24 | 2021-09-14 | Hampton Steel Limited | Strainer post connector |
US20210001454A1 (en) * | 2018-05-16 | 2021-01-07 | Enerpac Tool Group Corp. | Clamp arm assembly |
Also Published As
Publication number | Publication date |
---|---|
CN103687417A (en) | 2014-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: FOXCONN TECHNOLOGY CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHEN, MING-WEI;ZHANG, JING;LI, TAO;REEL/FRAME:029525/0005 Effective date: 20121224 Owner name: CHAMP TECH OPTICAL (FOSHAN) CORPORATION, CHINA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHEN, MING-WEI;ZHANG, JING;LI, TAO;REEL/FRAME:029525/0005 Effective date: 20121224 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |